/*
* Copyright 2011 Pavel Kozhin 
*
* Licensed under the Apache License, Version 2.0 (the "License"); 
* you may not use this file except in compliance with the License. 
* You may obtain a copy of the License at 
* 
* http://www.apache.org/licenses/LICENSE-2.0
* 
* Unless required by applicable law or agreed to in writing, software 
* distributed  under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
* See the License for the specific language governing permissions and 
* limitations under the License.
*
* Author: Pavel Kozhin.
*/
package org.etherframework.core.bridge
{
	import org.etherframework.core.common.IArgumentFactory;
	import org.etherframework.core.context.Context;
	import org.etherframework.core.reflection.Parameter;
	
	[ExcludeClass]
	public final class ArgumentFactory implements IArgumentFactory
	{
		private var _creators:Vector.<IArgumentFactory>; 
		
		public function ArgumentFactory(creators:Vector.<IArgumentFactory>)
		{
			if (!creators)
				throw new ArgumentError("Argument creaters:Vector.<IArgumentCreator>" +
					" can not be null.");
			
			_creators = creators;
		}
		
		public function createArgument(parameter:Parameter, context:Context):Object
		{
			var result:Object;
			
			if (_creators.length == 1)
				return _creators[0].createArgument(parameter, context);
			
			for each (var item:IArgumentFactory in _creators)
			{
				result = item.createArgument(parameter, context);
					
				if (result)
					return result;
			}
			return null;
		}
	}
}